Non-contact dilatometry of hard and soft porcelain compositions

E. Kamseu; C. Leonelli; D. Boccaccini

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Non-contact dilatometry of hard and soft porcelain compositions

机译：硬瓷和软瓷成分的非接触膨胀法

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摘要

Two different porcelain compositions were studied: a soft and a hard one. DTA, optical non-contact dilatometry and DSC were used to evaluate the thermal behaviour of the porcelain compositions with the aim to master the suitable thermal cycle for each. Results were interpreted on the basis of mineralogy and microstructure: the amorphous phase, abundant in soft porcelain, plays an important role on thermal expansion (8·10–6 K–1 for soft and 6·10–6 K–1 for hard at 1000°C). Thermal expansion behaviour as function of firing time was also studied. Non-contact dilatometry characterisation of porcelain bodies enable to master the suitable thermal cycle for the sintering.

机译：研究了两种不同的瓷器成分：软的和硬的。 DTA，光学非接触式热膨胀法和DSC用于评估陶瓷组合物的热性能，目的是掌握每种陶瓷组合物的合适热循环。结果是根据矿物学和微观结构来解释的：在软质瓷器中大量存在的非晶相对热膨胀起着重要的作用（软质合金的热膨胀系数为8·10–6 K-1 ，软质合金的热膨胀系数为6·10 –6 K–1 （在1000°C时坚硬）。还研究了热膨胀行为与焙烧时间的关系。瓷体的非接触式膨胀分析特性可以掌握烧结的合适热循环。

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来源
《Journal of Thermal Analysis and Calorimetry》 |2007年第2期|571-576|共6页
作者
E. Kamseu; C. Leonelli; D. Boccaccini;
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作者单位

Department of Materials and Environmetal Engineering University of Modena and Reggio Emilia Modena Italy 41100 Via Vignolese 905;

Department of Materials and Environmetal Engineering University of Modena and Reggio Emilia Modena Italy 41100 Via Vignolese 905;

Department of Materials and Environmetal Engineering University of Modena and Reggio Emilia Modena Italy 41100 Via Vignolese 905;

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正文语种 eng
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关键词
microstructure; soaking time; soft and hard porcelain; thermal cycle; thermal expansion;

机译：微观结构;保温时间;软硬瓷;热循环;热膨胀;

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Non-contact dilatometry of hard and soft porcelain compositions

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